About the Number

12428520

12428519 ← → 12428521

2進数表記:101111011010010011101000

漢数字表記:千二百四十二万八千五百二十

素因数分解:

2 3 × 3 1 × 5 1 × 13 1 × 31 1 × 257 1

素因数の和:315
約数の個数: 128
約数和(自身を含む): 41610240
約数和(自身を除く): 29181720

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 257, 260, 310, 312, 372, 390, 403, 465, 514, 520, 620, 744, 771, 780, 806, 930, 1028, 1209, 1240, 1285, 1542, 1560, 1612, 1860, 2015, 2056, 2418, 2570, 3084, 3224, 3341, 3720, 3855, 4030, 4836, 5140, 6045, 6168, 6682, 7710, 7967, 8060, 9672, 10023, 10280, 12090, 13364, 15420, 15934, 16120, 16705, 20046, 23901, 24180, 26728, 30840, 31868, 33410, 39835, 40092, 47802, 48360, 50115, 63736, 66820, 79670, 80184, 95604, 100230, 103571, 119505, 133640, 159340, 191208, 200460, 207142, 239010, 310713, 318680, 400920, 414284, 478020, 517855, 621426, 828568, 956040, 1035710, 1242852, 1553565, 2071420, 2485704, 3107130, 4142840, 6214260, 12428520]

約数ペア:
[(1, 12428520), (2, 6214260), (3, 4142840), (4, 3107130), (5, 2485704), (6, 2071420), (8, 1553565), (10, 1242852), (12, 1035710), (13, 956040), (15, 828568), (20, 621426), (24, 517855), (26, 478020), (30, 414284), (31, 400920), (39, 318680), (40, 310713), (52, 239010), (60, 207142), (62, 200460), (65, 191208), (78, 159340), (93, 133640), (104, 119505), (120, 103571), (124, 100230), (130, 95604), (155, 80184), (156, 79670), (186, 66820), (195, 63736), (248, 50115), (257, 48360), (260, 47802), (310, 40092), (312, 39835), (372, 33410), (390, 31868), (403, 30840), (465, 26728), (514, 24180), (520, 23901), (620, 20046), (744, 16705), (771, 16120), (780, 15934), (806, 15420), (930, 13364), (1028, 12090), (1209, 10280), (1240, 10023), (1285, 9672), (1542, 8060), (1560, 7967), (1612, 7710), (1860, 6682), (2015, 6168), (2056, 6045), (2418, 5140), (2570, 4836), (3084, 4030), (3224, 3855), (3341, 3720)]

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